Method 2 on How to Unlock BlackBerry Bold 9900 and 9930

Ensure a SIM Card is inserted

Go to ‘Manage Connections’

Click on ‘Turn All Connections Off’

Go to ‘Options’

Click on ‘Device’

Click on ‘Advanced System Settings’

Click on ‘SIM Card’

Type ‘MEPD’ (NOTE: you might need to type in caps, also letters will not appear on-screen but you will be presented with personalization screen, that will display 5 locks such as network, service provider etc)